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monitta
3 years ago
12

The sum of the interior angle measures of a convex polygon is 1620° . how many sides does it have?the sum of the interior angle

measures of a convex polygon is 1620° . how many sides does it have?
Mathematics
2 answers:
lesya692 [45]3 years ago
5 0
<span>If you are given a convex polygon with </span>n<span> sides and </span>S<span> is the sum of the measures of the interior angles then </span>S = 180(n - 2)<span>.

So, </span>1,620 = 180(n-2).
n-2=9
n=11

The polygon has 11 sides.
Serjik [45]3 years ago
3 0
No. of sides 
=1620/180+2
=11
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natka813 [3]

Answer:

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4 0
3 years ago
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IRINA_888 [86]
I'd say the correct answer is D bc it's talking about the SAS theorem, excuse me if I'm wrong tho.
4 0
3 years ago
If 9 out of 20 candies are orange, how many orange candies will there be per 100 candies total?
avanturin [10]

Answer:

45

Step-by-step explanation:

20 / 9 = 2.222222222223

100 / 45 = 2.222222222223

9 is 45% of 20 and 45 is 45% of 100.

5 0
2 years ago
In △ABC, D is a point on side AC¯¯¯¯¯¯¯¯ such that BD=DC and ∠BCD measures 70∘. What is the degree measure of ∠ADB?
777dan777 [17]
If angle BCD measures 70° then so does angle DBC (because you have formed an isoceles triangle inside the larger ΔABC and the two legs are equal so the two angles have to be equal.   So we have a two 70° angles which leaves 40° for the 3rd angle, which is ∠BDC.   

Since ∠BDC and ∠ADB are supplementary (180°) - that leaves 140° for ∠ADB and is our answer
5 0
3 years ago
What is the equation of the following line? be sure to scroll down first to see all answer options
andreyandreev [35.5K]

Answer:

The equation for the following graph:

y = -\frac{1}{5}x

Step-by-step explanation:

- You first need to find the slope by using the <u>slope formula</u>:

m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}

(where (x_{1},y_{1}) is the first point and (x_{2}, y_{2}) is the second point)

-Use the given points (0,0) and (10, -2) from the graph for the formula:

m = \frac{-2 - 0}{10 - 0}

Then, you solve:

m = \frac{-2 - 0}{10 - 0}

m = -\frac{1}{5}

After you have found the slope, use the slope -\frac{1}{5} and the first point (0,0) for the <u>point-slope formula:</u>

y - y_{1} = m ( x - x_{1})

<u>(</u>where m is the slope and (x_{1}, y_{1}) is the first point)

y - 0 = -\frac{1}{5}  ( x - 0)

Then, you solve:

y - 0 = -\frac{1}{5}  ( x - 0)

y - 0 = -\frac{1}{5}x - 0

y - 0 + 0 = -\frac{1}{5} - 0 + 0

y = -\frac{1}{5}x

So, the equation for the following graph is y = -\frac{1}{5}x .

7 0
2 years ago
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